main()
{
    int i, x, y, last=1;
    printf("Input X and Y (X**Y):");
    scanf("%d**%d",&x,&y);
    for(i=1;i<=y;i++)
     last=last*x%1000;
    printf("The last 3 digits of %d * * %d is: %d\n", x, y, last%1000);
}